from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A flat ring made of rubber or plastic, used as a gasket.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A circular gasket, usually made of rubber.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a gasket consisting of a flat ring of rubber or plastic; used to seal a joint against high pressure
Sorry, no etymologies found.
Engineers redesigned the O-ring joints and added a bailout system for the crew's use in an emergency.
McAuliffe and six others on board perished as the cameras rolled, victims of stiff O-ring seals and feeble bureaucratic decisions.
It was the victim of an O-ring failure in its right-side rocket booster, believed to have been caused by Florida's unseasonably cold weather that week.
But engineers gradually accepted foam loss as routine, just as they had gradually accepted O-ring damage as routine.
There's no point, and if I hear one more person in the media say follow us on Twitter, I just may blow an O-ring.
An adjustable O-ring allows different tone selections, and the Hex is guaranteed not to freeze up, a big deal for northern deer hunters.
Other features include dual Wavetype brake rotors, ITP Holeshot SR tires front and rear mounted on aluminum wheels, dual removable headlights, and a heavy-duty 520 O-ring chain.
The O-ring fits snug on the rod and snug against the bottom of the barrel.
I went to Home Depot in the plumming dept and found a black robber O-ring to slip over the ram rod at the muzzle end.
Even 23 perfect launches would not have provided sufficient evidence to confidently predict success for launch number 24, and previous near misses, in the form of partial O-ring burn through, made optimism even more outrageous and unsupportable.